Home / 82,685.32-114,121.58-46,875.47

Finding the Fourth Proportional to 82,685.32, 114,121.58 and 46,875.47

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Solution

The fourth proportional to 82,685.32, 114,121.58 and 46,875.47 is: 64,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,685.32 : 114,121.58 = 46,875.47 : x
  2. Step 2: Convert to fraction form
    82,685.32/114,121.58 = 46,875.47/x
  3. Step 3: Cross multiply
    82,685.32x = 114,121.58 × 46,875.47
  4. Step 4: Simplify right side
    82,685.32x = 5,349,502,699.64
  5. Step 5: Solve for x
    x = 5,349,502,699.64/82,685.32
  6. Step 6: Final answer
    x = 64,697.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.